Churn-recoil stop.



F.CHADIMA.

CHURN RECON. STDP.

APPLICATION man 1uLY1o.191.

atente Jan. 7, i919.

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M. l/ am FRANK CEAIHMA, OF CEDAR RAPIDS, IOWA.

CHURN-RECOIL STOP.

Specification of Letters Patent.

Patented Jan. 7, 1919;.

`i'lpplicartion filed July 10, 1916. Serial No. 108,506-

the art to which it appertains to make andl use the same.

This invention relates to butter-Working churnS, and has for its objectto provide an elastic lock or stop to support the churn bargatheredbutter.v The invention involves 'certain improvements in the device ferthis purpose shown in the patent to G. J. Kaplan, No. 863,282, issuedAugust-13, 1907, and will be fully hereinatfter described'and claimed,reference being had to the accompanying drawing, in whioh'- v Figure 11s a side elevation, showlng a device embodying my invention indisengaged position. Fig. 2`isan end view of the same. Fig. 3' is alongitudinal section otthe stop- .post detached.

' In the operation of butter-working churns having an internal shelf onone side on which 'the' butter. is heaped as gathered, it is necessarytostop the churn with this shelf in con'- -ve'nient position for theremoval of the butter. 1yrlhe churn-barrel is accordingly re- Avolvedforward as much as desired, and comlmonl'y more, and the driving clutchdisengaged.- Thereupon the weight of the butter, sometimes amounting tohalf a ton, causes a powerful recoil in the movement of thechurn-barrel, which must be caught and held fWith the shelf of butter atthe right elevation. In the liuacticaluse of a rigid sto-p (called alock, in the patent above referred to) frequent breakages resulted, thedog, or the. ratchet, and in some eases even the leg of the churnsupporting frame. This in- Ivention is designed to avoid this'diflculty,providing an elastic stop-dog or post., .whereby the initial shock ofthe recoil is absorbed, and the churn tomes easily to rest.

.Referring now to the drawing, the nu- Ameral 1 denotes thebarrel of achurn, provided with a head 2. To this head is atrel in proper positionfor the 'removal of the.i

its hold and causing a breakage.

tached a central trunnion 3 journaled 1n a bearing at of the main frame`5. To the churn-head is also attached a large annular spur-gear 6engaging suitably by gearing not shown with thedriving jack-shaft 7. l

These parts being incidental, need no particular description.

To the web of the gear 6 is secured a short segmentof ratchet 8, theteeth of which pro- ]ect endwise with respect to the churn. Byreference'toliig. 2 it will be seen that the teeth are concavo-convex inform, in part to somewhat strengthen them, but mainly to prevent-thehead of the post, when it engages them, from slipping sidewise, losingThepost comprises a number of parts, described as follows: To the upperend of a tubular part 9 is secured, as by a rivet 10 through its shankl1, a ratchet-engaging head 12, having a laterally projecting nose 13 ofa shape and size to engage the ratchet between the teeth,and .with itsupper face curved as shown in Fig. 3 to correspond with their concavity.Inside this tube is slidably mounted a plunger 14, slotted at l5 toadmit a bolt 16 passing through the tube.

Between the upper end of the plunger and the shank` of the post-head isplaced a stiff coil spring 1T, which takes the first impact of therecoiling churn. The foot 18 of the plunger is pivoted at 19 totheframe-leg 20, which is socketed at 21 so as to form a. seat for therounded end of the plunger, and thus take lall strain from thepivot-bolt. At the 'outer side-of this socket is 'a lug 22.to limit theoutward swing of the post, which is a little past its center of gravity.To the inner side of the post-tube is attached an adjustable set-screw23, whose head abuts against and rides along the outer face of the gearflange Ga, and thus holds the post in the proper position to engage theratchet teeth, instead oi' the end of the ratchet-plate, or other' part.

To stop the churn in the desired position, the .operator needs only toswing the stoppost over tothe left While the .churn is turning normally,clockwiseas to Fig. 2. When the ratchet is passing its' upper end heshifts the'driving clutch 24;, whereupon the post engages the ratchetand arrests the recoil. In case the ratchet goes clear past thepostclaim In a churn-recoil stop, the Combination of a ratchet segmentattachable to the churnhead, and a, post comprising a ratchet-engaginghead, a tubular body, a plunger slid- 10 able therein and attachable tothe churnfralne, the plunger being slotted to receive a retaining bolt,a. bolt passing through said slot, and a spring between the ratchetengaging head and the plunger.

In testimony whereof I affix my signature 15 in presence ot' twoWitnesses.

FRANK CHADIBIA. Witnesses G. E. MELsA,

F. REGAN.

